Add LFSA and en PSKOV

pskov/en/education.02.deps.md

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+Title: Education: 02. Dependencies
+Date: 2019-05-14 00:00
+Category: Page
+Slug: education.02.deps
+Lang: en
+
+| < Back | Index | Next > |
+|---|---|---|
+| [01. Why][prev] | [Education][index] | [03. Site][next] |
+
+</div><div class="contents">
+
+In this document we describe **PSKOV** dependencies and how to get them.
+
+Estimated completion time: 5 minutes.
+
+**Table of contents**
+
+* [01. Dependencies](#deps)
+* [02. Details](#details)
+
+<a name="deps"/>
+
+## 01. Dependencies
+
+We designed **PSKOV** to run inside web browsers. Here is what you need to run **PSKOV**:
+
+| № | PSKOV dependency | Notes |
+|---|---|---|
+| 1 | Web browser of 2010 or newer | **PSKOV** needs ECMAScript 5 (2009), any modern web browser should work |
+| 2 | Local file system access | [LFSA][lfsa] gives **PSKOV** access to your local file system. Install LFSA to be able to use **PSKOV**. |
+
+**Note**: [install LFSA][lfsa] to be able to use **PSKOV**.
+
+<a name="details"/>
+
+## 02. Details
+
+**PSKOV**:
+
+* is a client side JavaScript application
+* has no direct access to local file system
+* uses [LFSA][lfsa] to access local file system
+* uses [Showdown][showdown] to convert Markdown to HTML
+
+**LFSA**:
+
+* is a tiny Python server to provide read/write access to local file system
+* runs at 8000 port
+* is under 200 lines of code, feel free to [inspect it][lfsa-src]
+
+</div><div class="contents">
+
+| < Back | Index | Next > |
+|---|---|---|
+| [01. Why][prev] | [Education][index] | [03. Site][next] |
+
+[index]: education.html
+[prev]: education.01.why.html
+[next]: education.03.site.html
+
+[lfsa]: http://opengamestudio.org/lfsa
+[lfsa-src]: https://bitbucket.org/ogstudio/lfsa/src/default/lfsa-201905.py
+[showdown]: https://github.com/showdownjs/showdown